Safety razor



Sept. 2, 1930. 1H. J. GAISMAN 1,774,828

SAFETY RAZOR Filed Dec. 20, 1326 Sheets-Shee l INVENTOR /L/ /W ATTORNEY- H. J. GAISMAN SAFETY RAZOR Sept. 2, 1 930.]?

2 Sheets-Sheet 2 Filed Dec. 20, 1926 ATTORNEY vso ' PatentedSep t. 2,- 1930 mire HENRY J. oAIsMAN,.oniv'nwvonxln,v nssrelvon'roAU'rosrrRonrn'rnnrsconno f r 3 narrow, or novEapELAwAnE, A-COBPORAIION onnELawArzE 1 r yfl siir'nir r m zoa Application f la neeember'zo, 1926. serial no; 1553127.

"My inventionirelates to improvements in. safety razors and is particularlyapplicable to the class of safety razors in which a blade is heldin shaving relation to-a guardand is adapted to be rotated or rocked. back and forth for stroppingthe edge of the blade while in the razor. .1 n 1 One of the objects of, the invention isto.

provide improved means for movablysup-1.

19 porting a-bladeiholder to causerth'e edge :of the blade to rise from the strop. atithe time that the reciprocating motions .of. the "razor along the stropv are, reversed to prevent cutting of the strop, and alsoto retain the cutting edge 'ofthe blade in shaving-relation-to the uard. 1

. Another object ofthe invention is tofpro vide a blade holder of the rotatingorrocking variety to reduce the cost and simplify-the' construction and operation of thesame' for v inserting and removing blades. v V v The invention comprises novel details of improvement .that will be more fully herein-. and thenlpointed out in the claims. I I

after set forth Reference is to be hadto the accompanying drawings forming a part'hereof, wherein Fig. 1 is aperspective view of the improved razor showing the bladein shaving position; Fig. 2 is a side vieWof Fig.1; I Fig=3 is aside view illustratingthe blade released for ,stroppingy 7 Q Fig; 4 is a sectional viewillustrating-the strop in position for stropping thelblade j -"Fig. 5 is a side view illustrating the blade in a difierent position from Fig. 1; Fig. 6 is a sectional; view illustrating the blade in a difierent positionfrom Fig.155

Fig. 7 is a planview-with the parts. substan- 4.0 tiallyin the positionshown in Fig. 6 Fig. 8 is a detail sectionof the blade holder substantially on line 8, 8, invFig. 7 ;f Y

Fig. 9 is a cross section substantiall'yon line 9,9,inFig.7;- I, v n I Fig. 10 is a detail perspectiveview of the spring13; i Q g I I Fig. his a planview ofa blank for mem. ber of the blade holder, and I r I Y Fig. 12 is a plan view ofa blank for: an other mem er oftheblarleholden,

1 Similar numerals; of reference indicate 7 corresponding parts in the several views; i

The numeral 1 indicatesa frame'orbase for the razor,.which is provided with a guard.

at .2, shown in ordinary comb-like. formathe frame being shown provided with side por tions 2* and 2* against which a stro'p" A may bear for stropping the-blade 3; The frame orbase is provideclwith a handlejl ithat may be iconnectedthereto inany suitable way, as

by screw'threads at 5. The blade -holderils lustrated;comprises twoflmembers. 6 and-7. i

adaptedto clamp 'theblade t herebetween; rocking support or 'frame is providedf fortheblade holderarranged as follows-z Spaced arms 8 are pivoted at the ends of frameor base 1 andareconnected by ashafto jroller' if that isadaptedtoengagea strop,toabefrotated thereby,;whenthera zor is reclprocated-along the stropQ Said'shaftj or; roller is shown comprising a tube 9freceiving shafts 1Q, 1l which are securedgto the tube,.as bydenting'portions. 9? of the tube into recesses 10?, 11 in'the'shafts v I 10, 11, whereby .said parts are rotatively united and are kept fromendwise displace? the adjacent arm .8, f The: arrangement such that the. shaftor roller will rotate be tween thearnis 8 and willaid inmaintaijning said in operative relation. One or more ,springs13 are provided adapted to engage the adjacent arm 8 when the blade holder to be retained with the blade in shaving relation to the guard for shaving. Spring f13L'is shown extending from a plate l lf'which is provided with astopfll toengage the freeend portion of the springto control thelnor mal position ofrthe-springbearing against saidstop. The plate :14. is secured to the frame or base and. said plate is shownprovidecl' with, a tubular projection 15, vwhich maybe drawnout of the material. of the provided with spaced jaws 15?, l0), adaptedto embracethe surfaces of. frame or base 1 to keep plate. 14 from; rotating. The

sn i gj l3 n p1ate 514; may b tamped and...

a5 plate, the innerendofsaid projection being" bent, as indicated, from a single piece of spring metal. The frame or base 1 is provided with studs or gudgeons 16 that pass through the bores of the projections 15 and are-headed or riveted over at 16 outside of plate 14 to keep the plate secured on the frame 1. The arms 8 have holes 8? receiving the projections 15, whereby the arms. are

journaled to rock on the frame or base 1. Al-

the guard member 2*. -There' may be a re tainer 17 and aco'rresponding stop 18 at opposite ends of the blade holder 1 and frame 1,

(Fig.- 7 'fThe relative arrangement of the parts "17 and 18 with respect to the spring 13 is such that when the blade is to be set in shaving relation to the" guard the arms '8will be pushed to the left, whereupon the jar-ms .8 will' bear against the springs 13 and push'them, asindicated in'Fig. 3. Thereupon the blade will belocated against the adjacent portion Q ofthe frame 1 with respect to the guard with thep'arts in such position that the retainers 17 ,willengage'the stops 18, and

i the armsS will be released, whereupon the retaining theblade and the blade holder-in shaving, position, as "shown in Fig. 2, the springs 13 maintainingthe parts in such posprings 13 will cause the retainers 17 to remain in engagement with the stops '18 for sition and being out ofen'gagement with the I holder for stropping the blade edge.

,A' gear 19, connected with the blade holder, is injmesh with gear 12 for, rotating the blade The gear, 19. maybe connected with the blade 'hold'er'in any desired or well known way. fForlsim'plicity in manufacture the gear 19 v is shown formed in the same piece of metal as'theblade holder member 6. The member 6,'as illustrated, is also provided with pivots journaled in the arms 8 and formed fromthegsame piece ofmetal as said member, the

. retainer hooks 17 also being formed in the same pieceof'metal. "In Fig. 1.1 a blank for 1 member 6' of' the blade'holder is illustrated wherein all the parts may be stamped out of 9 a metal plate in suitable dies and the like The blank is shown provided with a foldable end member 6 having a projecting portion 6 ffrom which the gear 1 9jex'tends, the blank being-cut away for'the purpose at 6. The

center ,ofthe gear portion is drawn inwardly at 6 providing a pivot which isada'pted to enter a borev 8 as a; bearing in the adjacent arm 8, the gear 19 being shown'located outside of said'arin, (Fig. 9)". The retainer 17 is also cut from the blank by means of the slit at 17 therein. The blank is also provided with a projection 20 for pivotally retaining blade holder member 7. The blank for member 6 is also provided with projections 21 pressed laterally therefrom near opposite ends to engage recesses or notches 3 at the ends of the blade that lies against said member to retain the blade in operative shaving position in the blade holder. At the opposite end of the blank for member 6 a projecting portion 6 is provided, by means of the slit at 6 and a pivot or bearing 6 ispressed out to form a pivot or gudgeon to enter an opening 8" in the adjacent arm 8 as a bearing for the said pivot, (Fig. 9). The adjacent retainer 17 is formed by slit 17 in the blank. The blank is also provided with an opening at 22. When the blank has been stamped out in the manner described it is appropriately folded to locate the gear 19 with its pivot 6 and the projection 6 with its pivot 6 in transverse relation to member 6, as shown in Figs. 1 and 9, forpivoting the blade holder memberupon the arms 8 with the-gear 19in mesh with the gear 12. The blade holder member 7 extends along the member 6 so as to oppose and retainthe blade 3 therebetween. Themembcr 7 is shown provided with a slot 7 near one end, in which the projection 20 of member 6 is coiled, whereby said members are pivotally connected together adjacent to one end of the plate, (Figs. 7. and 8) to be separated to receive a blade therebetween. At the opposite end the member 7 is provided with a projection 7", preferably struck from the blank, as indicated in Fig. 12, said projection being bent laterally respecting the member 7 to pass through the opening 22 in member 6, (Figs. 1, 7 and 8), the projection 7 b being shown provided with a recess or dented part at- 7 to engage an 7 adjacent edge of opening 22 for retaining the member 7 clamped or pressed upon the blade for. detachably retaining the latter between the members 6 and 7, (Fig. 8). The member 7 is preferably normally curved outwardly respecting member 6, as indicated in dotted lines in Fig. 8, so that when the member 7 bears against the blade and is fastened to the member 6 the member 7 will bear against the blade with spring tension. To release the blade it is merely necessary to push the projection 7 b out of engagement with the edge-7 to permit the parts to separate, whereby the member 7 may be swung 'away from the blade to permit its removal and the'insertion of another blade. 1

To assemble the parts the pivots 6F and 6 are entered in the respective bearings 8, 8 in the arms 8, the shaft parts 9, and ll are assembled, whereby the arms are retained in relative positions, the projections from the plates 14 are entered through the openings 8'" in the arms 8 with the jaws 15* embracing 7 the frame or base 1, the pivotsor gudgeons 16 entering the bores in the projection and V the pivots are headedlover'at 16 The improvements set forth are embodied in the class of razor known on the market as the Auto Strop safety razor, operative along I the strop A in a wellknown way. When the parts are in shaving position, (Fig. 2) ,and it is desired to strop the edge of the blade, the arms 8 will be pushed to the left to release the retainers 17 from stops 18, (Fig. 3), and then the strop will be pushed through the razor under the shaft orroller'QY for stropping,

(Fig. 4:). When the razor is moved alongthe strop, as to the right in Fig. 4, the cutting edge'of the bladewill drag on the strop for stropping it. When the razor is first moved in a reverse directionalong the strop, (as to the left inFig; 5), the engagementof the strop with shaft or roller 11 willcause the arms 8 to be "tilted and raise the blade edge,v

from the strop to 'prevent cutting of the lat ter, 5), and as the razor is continued Y along the strop the gears will reverse the position of the blade to cause its cutting edge to bear on the 'strop, (Fi 6)., correspondingaction taking place each time the direction of sliding. the razor along the strop is reversed. The pivot-alposition of the frame or arms 8 for stropping is such, with relation to the strop, that the spring or springsl' will not interfere with said frame or armswhen the blade edge engages the strop, since the parts will be substantially in the positionshown in Fig. 4. v

The improved vrazors in which the guard is without blade engaging hooks have certain advantages over the old'type's that employed ears or hooks engaged by the blade for holding the blade inshaving position with relation to the guard, and to provide means whereby the blade holder may be supplied. with instrumentalities cooperating with other instrumentalities on the guard results in a more rugged structure.

vIn the manufacture of razors.- where comparatively light metal is employed, the hooks sometimes become impaired, either through being bentzor broken, and'the razors become practically useless...

' This invention supplies or provides for'an interlocking or interengagi'ng means be tween theblade holder and the frame or guard and atthe ends of the blade holder,

renderingthe invention efficient and satisfactory.

Having now described my invention what I claim is 1. A safety razor ing a guard, a frame pivotally mounted there- ,on, a blade holder carried by the second named frame, cooperative means between the blade holder and the first named frame for retaining the blade in shaving relation to the guard, and a spring cooperative between comprising a frame hav-' the firstian'd'second named frames formaintaming saldmeans in'cooperative relatlon.

' 2. A safety razor comprising a frame having 'a guard,a frame pivotally mounted there? on, a blade holder carried by the: second named frame, cooperative means between the blade holder and the first named frame for retaining the blade in shaving relation to the guard, a: spring cooperative between the first and second named frames for maintaining said means 1n cooperative relation, a-shaft carrled bythe'second named frame, and gears connected with the blade holder and "with the shaft for rockingthe bladeholder for stropping the blade edge. e 3. A safety razor asset forth in claim2, in

which the spring is so located that the second I named frame will be free from resistance by the spring during stropping of the blade."

' 4. A safety razor comprising a frame havQ inga guard, a frame pivotally-mounted thereon, a blade holder carried by the. second named frame, cooperative means between the blade holder at'i'ts ends and the firstn'amed frame at its ends forretaining the blade in shaving relation to the guard, anda spring carried by the first named frame andcooperative with'the second namedframe to maintain said means in cooperative relation.

5. A safety razorcomprising' a frame hav ing' a guard, a frame pivotally mounted" thereon, a blade holder carriedby the second named frame, cooperative means between the blade holder at its ends and the first named frame at its ends for retainingthe blade in" shaving relation torthe guard, a spring carried byfthe first named frame andfcooperat ve with the second named frame to reta nfsald means in cooperative relation, and

a stopfor' said springfto limit its movement toward the second *nained'frame.

6'. Asafety razor comprising a frame hav ing a guard, a frame pivotally mounted thereon, a vblade holder carried by the second named frame, cooperative means between the blade holder and the first named "frame for retainingthe blade in shavingrelation to the guard, a spring carried by the first named frame 7 and cooperative with the second named frame to retain said means in cooperative relatio P' saidispringito limit retaining the bladein shaving relation to the guard, and a plate carriedby the first named frame and provided withfaspringcooperatire with the. second named frame for. mainlsoi position on'saldframe; 114A safety razor: comprising a frame taining the said'means in cooperative relation. v

8. A safety razor comprising a frame having a guard, a frame pivotally mounted thereon, a blade'holder carried bythe secondnamed frame, cooperative means between the blade holder'and the first named frame for retaining the blade in shaving relation to the guard, and a plate carried by the first named frame and provided witha spring cooperative with the second named frame for maintaining the said means in cooperative relation, said platebeing provided with a tubular projection to engage the first named frame, the latter frame being provided-with a stud receiving said tubular projection for retaining the plate upon the first named frame.

, 9. A safety razor comprising a frame provided with a guard, a frame comprising a pair offspaced armsprovided with a roller journaled thereon, ,a blade holder pivotally carried by said arms, and a pair of plates carriedby the first named frame and provided with springs to engage said arms, the

first named frame having stops and the'blade holder having retainers to 'detachably engage the stops, the springs being cooperative with the arms to maintain the retainers in cooperation with the stops for keeping the blade in shavingrelation to the guard.

- 10. A safety razor as set forth in claim 9,, in which the plates are provided with tubular projectionsand the first named frameis provided with-studs located in said projections for retaining, the plates in operatlve provided with a guard, a second frame pivotally connected with'the first named frame and'comprising spaced arms, a roller journaled in said arms and comprising a tubular member between the arms and shafts extending through the arms into opposite ends of the tubular member, means securing the tubular member to said shafts, one of'said shafts having a gear,and a blade holder journaled upon the'arms andprovided with a gear in mesh with the first named gear. 12. A safety razor comprising a frame provided with a guard, a second frame pivotreceive a blade and provided with a gear at one end: and a projection at the other end formed in asingle piece of metal, said gear and projection being in transverse relation to theplate for pivotally supporting the latter,

means to detachably secure a blade upon said plate, a roller having a gear in mesh with the first named gear, and a frame pivotally supporting said plate and shaft with said gears in mesh.

14. A blade holder comprising a plate to receive a blade and provided with a gear at one end and a projection at the other end formed in a single piece of metal, said gear and projection being in transverse relation to the plate for'pivotally supporting the latter, and means to detachably secure a blade upon'said plate.

15. A blade holder as set forth in claim 14, provided with pivots drawn out of the metal of said gear and said projection.

16. A blade holder as set forth in claim 14, provided with one or more retainers in hook-like form to engage one or more stops on a razor frame.

17. A safety razor comprising a frame, a guard member and a blade holder, the guard member and blade holder being mounted for movement relatively to each other in a direction transversely of a blade in the blade holder, and cooperative means at the ends of the blade holder and the guard member adapted to interengage and hold the blade in shaving relation to the guard upon relative movement of the blade holder and guard member solely in a direction transversely of the blade.

18. ,A safety razor comprising a frame, a guard member and a blade holder, the said blade holder and guard member being mounted for movement relatively to each other in a direction transversely of a blade carried in the holder, and interengaglng means on the blade holder and guard member rearwardly of the cutting edge of the blade adaptedto retain the blade in shaving position with relation to the guard upon relative movement of the blade holder and guard member solely in a direction transversely of the blade.

19. In a safety razor, a guard member, a blade holder movably mounted with relation to the guard member, means rearwardly of the guard, and means on the blade holder coacting therewith for holding the blade in shaving position, the said means for holding the blade in position being caused to operatively engage each other upon relative movement of the said means solely in a direction transversely of a blade in the holder.

' HENRY J. GAISMAN. 

